42results about How to "Little change in quality" patented technology

The invention discloses a method for preserving litchi by using plant essential oil. The method comprises the following steps: selecting the litchi fruit which is harvested in sunny day, 80%-90% matured, and free from mechanical damage and diseases and insect pests; soaking the litchi fruit in a 25-500 mu L / L of citral or clove leaf oil solution for 0.5-5 minutes; and then precooling, packing andstoring the soaked litchi fruit, wherein after harvesting, the litchi fruit disease mainly comprises fugus diseases such as peronophythora litchi, sour rot, anthracnose and the like, and enzymatic browning of the phenolic compounds and the degradation / discoloration of the anthocyanin are one of the main reasons causing the peel browning. In the method, the litchi fruit which is harvested in proper time and good in state is soaked in the citral or clove leaf oil solution so as to effectively inhibit the fruit rot and the peel browning of the litchi fruit and maintain the quality of the fruit; and in a low temperature condition, the litchi fruit treated by the method disclosed by the invention in completely good condition is more than 95% after 30 days, the control to the peel browning is good, and the original quality of the fruit can be basically maintained.

Disclosed is a Ni-based single crystal superalloy having a composition consisting of, in mass percent, 5.0-7.0% of Al, 4.0-8.0% of Ta, 0-2.0% of Mo, 3.0-8.0% of W, 3.0-8.0% of Re, 0-0.50% of Hf, 3.0-6.0% of Cr, 0-9.9% of Co, 1.0-14.0% of Ru, 0.1-4.0% of Nb and the balance of Ni and unavoidable impurities. The present invention provides a Ni-based single crystal superalloy which suppresses the precipitation of the TCP phase at high temperatures, improves strength at high temperatures, and has oxidation resistance at high temperatures. The inventon aims to provide a Ni-based single crystal superalloy of high performance in strength and oxidation resistance at high temperatures, and further aims to provide a Ni-based single crystal superalloy having sufficient characteristic in a ''heat treatment window'' of not being negligent at the practical aspect.

The present invention discloses a high dietary fiber cereal food and a preparation method thereof, and belongs to the technical field of deep processing of agricultural products. The high dietary fiber cereal food comprises, by weight, 30-50% of wheat, 10-30% of oats, 3.5-10% of rice, 0-15% of corn, 0-10% of buckwheat, 0-10% of soybean, 3.5-10% of fruit and vegetable powder, 3-8% of a binder, 2-5% of a barley malt extract, and 2-5% of a water-soluble dietary fiber supplement. The preparation method comprises: (1) preparing powder; (2) blending a slurry; (3) drying; (4) grading; and (5) packaging. According to the present invention, the diverse requirements of people on the cereal food can be met, the high dietary fiber cereal food has characteristics of reasonable cereal matching, high fiber content, unique flavor and crisp taste, is further added with the water-soluble dietary fiber supplement with the prebiotic effect, and can be adopted as the food ingredient and the substitute cereal food; and the preparation method is simple, the cost is low, and the industrial production requirements can be met.

The invention relates to a method for reducing the content of heavy metal ions such as arsenic and lead in instant tea. The method comprises the steps of preparing a concentrated solution in mass concentration of 5 to 15 percent by virtue of steps including extraction, centrifuging, filtering, concentration and the like, adsorbing tea polyphenol of the concentrate solution by virtue of a resin column which is filled with LX-8 macroporous adsorption resin, adsorbing heavy metal ions including arsenic, lead and the like in the column passing solution by virtue of a resin column which is filled with chelating resin LSA-100, collecting an elution solution of LX-8 resin and a column passing solution of LSA-100, uniformly mixing the elution solution and the column passing solution to obtain a mixed solution, concentrating and drying the mixed solution, and preparing the instant tea powder with low heavy metal content. The removal rate of the heavy metal ions such as the arsenic and lead in the instant tea powder processed in the method can reach 50 percent, the loss rate of the tea polyphenol is less than 5 percent, the operation is simple, the original quality of the instant tea is maximally reserved, the heavy metal removal effect is obvious, the restriction of the raw material for producing the instant tea can be broken through, the selection range of the raw material is enlarged, and the safety and the market competence of the instant tea product can be improved.

The present invention relates to a method for manufacturing a handle for a hand tool, the handle comprising a body portion and a gripping part that is provided at least partly on the body portion and intended for the user to grip when using the hand tool. In the method of the invention there is first fabricated the gripping part and it is set in a mould cavity, whereafter melt mass is cast into the mould cavity to provide the body portion such that the melt mass flows underneath the gripping part, whereby the gripping part is pressed against the wall of the mould cavity.

A green tea beverage is prepared from the fresh organic green tea leaves through breaking, squeezing to obtain tea juice, filtering, fine filtering by membrane, mixing it with water in ratio of 1:(15-25),membrane filtering for removing bacteria, and aseptic canning. Its advantages are unique fragrance and high nutritive value.

The invention discloses a magnetic suspension thermobalance measurement method based on rapid photothermal heating. The method comprises the following steps: 1) weighing and taking a measurement material into a reaction tank; 2) placing the reaction tank into a closed container together with a magnetic suspension float; 3) suspending a magnetic suspension float in the closed container by a magnetic suspension device; 4) introducing a gas into the closed container; 5) measuring the real-time position of the magnetic suspension float by a laser displacement monitoring assembly, and adjusting theposition of a magnetic suspension stator to suspend the magnetic suspension float to a measurement zero position; 6) heating the reaction tank by photothermal heating assemblies; 7) adjusting the positions of the photothermal heating assemblies to maintain a heating beam on the reaction tank; 8) measuring the temperature of the measurement material in the reaction tank; and 9) recording the displacement of the magnetic suspension float, and converting the displacement into mass. The displacement of the magnetic suspension float is measured, and is converted into material mass change, so the systematic error is reduced, and high-precision measurement of the material mass change under a temperature control condition is achieved.

The present invention relates to a method for manufacturing a handle for a hand tool, the handle comprising a body portion and a gripping part that is provided at least partly on the body portion and intended for the user to grip when using the hand tool. In the method of the invention there is first fabricated the gripping part and it is set in a mould cavity, whereafter melt mass is cast into the mould cavity to provide the body portion such that the melt mass flows underneath the gripping part, whereby the gripping part is pressed against the wall of the mould cavity.

The invention discloses a magnetic suspension thermobalance based on rapid photothermal heating. The magnetic suspension thermobalance comprises a closed container, a reaction tank, a magnetic suspension device, a laser displacement monitoring assembly, photothermal heating assemblies and photothermal heating assembly displacing devices; a gas inlet is arranged at the upper end of the closed container, a detachable cover plate is arranged at the lower end of the closed container, the cover plate is provided with a gas outlet, a gas flow stabilizer and an infrared temperature measuring assemblyare arranged in the closed container, and the sidewall of the closed container is provided with a displacement monitoring window and a heating beam window which are made of a transparent material; the photothermal heating assemblies are arranged on the photothermal heating assembly displacing devices and can be displaced by the photothermal heating assembly displacing devices; the magnetic suspension device comprises a magnetic suspension float and a magnetic suspension stator; and the upper part of the magnetic suspension float is fixedly provided with a support frame for supporting the reaction tank. The displacement of the magnetic suspension float is measured, and is converted into material mass change, so the systematic error is reduced, and high-precision measurement of the materialmass change under a temperature control condition is achieved.

The invention relates to the field of ceramic materials, in particular to a silicon carbide ceramic and a preparation method thereof. The preparation method of silicon carbide ceramics provided by the present invention comprises the following steps: Step 1: SiC powder, alumina powder, Re 2 o 3 Powder blending to SiC‑Alumina‑Re 2 o 3 Mixed powder; Step 2: Mix the SiC-Alumina-Re 2 o 3 The mixed powder and tantalum diboride powder are mixed to obtain silicon carbide-alumina-Re 2 o 3 ‑Tantalum diboride mixed powder; Step 3: mix the silicon carbide‑alumina‑Re 2 o 3 - The tantalum diboride mixed powder is granulated and sintered to obtain the silicon carbide ceramics. The invention solves the technical problem in the prior art that the silicon dioxide protective film formed after oxidation of the liquid-phase sintered silicon carbide ceramic is destroyed, resulting in a decrease in its anti-oxidation performance. The silicon carbide ceramic prepared by the method has high density and good oxidation resistance, and can be widely used in the fields of machinery, chemical industry, microelectronics, automobile, petroleum and processing.

Provided is a hose line for fresh and / or consumed dialysis fluid. It is proposed a dialysis fluid tubing for producing a fluid connection between a dialysis fluid outlet on a dialysis machine and a dialysis fluid input to a dialyzer and / or establish a fluid connection between a dialysis fluid outlet to the dialyzer and a dialysate input to the dialysis machine with at least one designed for the passage of dialysis fluid lumen of a predetermined cross-section and / or diameter, wherein the at least one lumen is arranged to provide a dialysis fluid so that a loss of temperature of the dialysis fluid path between bounded along the dialysis machine and dialyzer and a predetermined temperature accuracy of the dialysis fluid is obtained at least in the dialysis fluid inlet of the dialyzer. In one embodiment, the at least one lumen is split into at least two lumens same or different cross section and / or diameter, wherein the at least two lumens individually when subjected to dialysis liquid from a inlet side external device on the dialysis machine or can be applied in a parallel manner with a dialysis fluid, and the output side open into a single lumen at the dialyzer.

The invention provides the preparation and application of a rapid film-forming energy-saving and environmental protection machine spray fine decoration mortar. The preparation method is: mixing the solid phase change material and the liquid phase change material, heating and melting, adding antioxidants and adsorption materials, and after the adsorption is saturated, Mix evenly with thermal conductivity additives and film-forming agents, solidify and form, cool to room temperature, and obtain solid-liquid phase change materials; white cement, diatomaceous earth, emulsifier, epoxidized polybutadiene, gypsum and solid-liquid phase change materials The materials are added into water, mixed evenly, cured and molded, removed from the mold, and cured for 28 days to obtain fast film-forming energy-saving and environmental protection machine spray fine decoration mortar. The refined decoration mortar prepared by the invention has high content of phase-changing materials, excellent energy storage effect, good thermal conductivity, good dispersion with mortar, good constant temperature effect, and rapid film-forming performance of epoxy-modified polybutadiene polymer Excellent, also has waterproof and anti-corrosion, therefore, the refined decoration mortar prepared by the present invention is green and constant temperature, energy-saving and durable, safe and environment-friendly.

The invention relates to a method for reducing the content of heavy metal ions such as arsenic and lead in instant tea. The tea leaves are extracted, centrifuged, filtered, concentrated and other processes are prepared into a concentrated solution with a mass concentration of 5-15%, and the concentrated solution is passed through the LX The resin column of ‑8 macroporous adsorption resin adsorbs tea polyphenols, and then passes the column liquid through the resin column filled with chelating resin LSA‑100 to adsorb heavy metal ions such as arsenic and lead, and collects the eluate of LX‑8 resin and LSA ‑100 resin column solution, mixed evenly, then concentrated and dried to prepare instant tea powder with low heavy metal content. The removal rate of heavy metal ions such as arsenic and lead in the instant tea powder obtained by the treatment of the present invention reaches 50%, the loss rate of tea polyphenols is less than 5%, the operation is simple, and the prepared product retains the original quality of instant tea to the greatest extent. The heavy metal removal effect is obvious, breaking through the raw material limitation of instant tea production, expanding the range of raw material selection, and improving the safety and market competitiveness of instant tea products.

The present invention relates to a method and an arrangement for measuring the smoothness of grains. In one embodiment, the arrangement includes a channel for supplying grains, especially rice grains, an obstacle arranged at the channel to slow down grains falling on the obstacle, so that the flow of grains forms a heap on the obstacle and an image capturing device placed facing the obstacle. The image capturing device is arranged to capture an image of the heap, where the area under the curve of the captured heap image indicates the degree of smoothness of the grains or the course of the curve of the captured heap image indicates the degree of smoothness of the grains.

The invention discloses a method for treating cut stems that can improve the whiteness of cigarette ashes. The method comprises the following steps: (1) eluting cut stems; (2) using a repairing agent to repair the washed cut stems to restore Cut stems are resistant to processing strength, enabling them to be smoothly incorporated into cigarettes during normal cigarette production. After the shredded stems treated by the invention are added to cigarettes for use, the ash whiteness of the cigarettes can be improved by 15-30 units, the tuff index can be reduced by 1-2 units, and the sensory quality of the cigarettes changes little, and there is no potential safety hazard.